Glowing bright both day and night, tfx sights are always ready.Tfx takes our award-winning tritium + fiber-optic technology even further with all the features our customers requested: compact snag-free design, longer sight radius, and amazingly durable construction built to handle just about anything.Illuminating elements are encased inside a virtually indestructible chemical and shock-resistant capsule and the cnc-machined steel is protected with a rust-resistant fortress finish.Rear Color: Green/Tritium/Fiber OpticFrame Material: CNC Machined SteelFrame Color: Black Nitride FortressFirearm Fit: Walther PPSFront Color: Green/Tritium/Fiber Optic/White OutlineFirearm Type: Pistol